{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:12:34.171138", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2020-Mar-27_to_2020-Apr-01_99.5_3.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2020030002782}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "March 27 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 01 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 52440.554752029006}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Indonesia", "Malaysia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 3.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 99.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "99.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 99.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 101.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 2.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[101.5, 4.25], [102.03, 4.03], [102.25, 3.5], [102.146, 3.25], [102.25, 3.0], [102.03, 2.47], [101.677, 2.323], [101.53, 1.97], [101.0, 1.75], [100.47, 1.97], [100.323, 2.323], [100.25, 2.354], [100.0, 2.25], [99.75, 2.354], [99.677, 2.323], [99.53, 1.97], [99.0, 1.75], [98.47, 1.97], [98.25, 2.5], [98.47, 3.03], [98.823, 3.177], [98.97, 3.53], [99.323, 3.677], [99.354, 3.75], [99.25, 4.0], [99.354, 4.25], [99.25, 4.5], [99.354, 4.75], [99.25, 5.0], [99.47, 5.53], [100.0, 5.75], [100.25, 5.646], [100.5, 5.75], [101.03, 5.53], [101.25, 5.0], [101.146, 4.75], [101.25, 4.5], [101.146, 4.25], [101.177, 4.177], [101.249, 4.146], [101.25, 4.146], [101.5, 4.25]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-03-27T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[99.75, 5.0], [99.96966991411009, 5.5303300858899105], [100.5, 5.75], [101.03033008588991, 5.5303300858899105], [101.25, 5.0], [101.03033008588991, 4.4696699141100895], [100.5, 4.25], [99.96966991411009, 4.4696699141100895], [99.75, 5.0]]]}, "2020-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[99.5, 2.25], [98.96966991411009, 2.4696699141100895], [98.75, 3.0], [98.96966991411009, 3.5303300858899105], [99.5, 3.75], [99.75, 3.646446609406727], [99.82322330470336, 3.676776695296637], [99.96966991411009, 4.0303300858899105], [100.5, 4.25], [101.03033008588991, 4.0303300858899105], [101.19822330470336, 3.6250000000000013], [101.5, 3.75], [102.03033008588991, 3.5303300858899105], [102.25, 3.0], [102.03033008588991, 2.4696699141100895], [101.5, 2.25], [101.0, 2.457106781186546], [100.5, 2.25], [100.25, 2.353553390593273], [100.0, 2.25], [99.75, 2.353553390593273], [99.5, 2.25]]], [[[99.96966991411009, 4.4696699141100895], [99.75, 5.0], [99.96966991411009, 5.5303300858899105], [100.5, 5.75], [101.03033008588991, 5.5303300858899105], [101.25, 5.0], [101.03033008588991, 4.4696699141100895], [100.5, 4.25], [99.96966991411009, 4.4696699141100895]]]]}, "2020-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.96966991411009, 3.5303300858899105], [99.5, 3.75], [99.75, 3.646446609406727], [99.82322330470336, 3.676776695296637], [99.96966991411009, 4.0303300858899105], [100.5, 4.25], [101.0, 4.042893218813454], [101.5, 4.25], [102.03033008588991, 4.0303300858899105], [102.25, 3.5], [102.14644660940672, 3.25], [102.25, 3.0], [102.03033008588991, 2.4696699141100895], [101.5, 2.25], [101.0, 2.457106781186546], [100.5, 2.25], [100.25, 2.353553390593273], [100.0, 2.25], [99.75, 2.353553390593273], [99.67677669529664, 2.323223304703363], [99.53033008588991, 1.9696699141100895], [99.0, 1.75], [98.46966991411009, 1.9696699141100893], [98.25, 2.5], [98.46966991411009, 3.0303300858899105], [98.82322330470336, 3.176776695296637], [98.96966991411009, 3.5303300858899105]]], [[[99.96966991411009, 4.4696699141100895], [99.75, 5.0], [99.96966991411009, 5.5303300858899105], [100.5, 5.75], [101.03033008588991, 5.5303300858899105], [101.25, 5.0], [101.03033008588991, 4.4696699141100895], [100.5, 4.25], [99.96966991411009, 4.4696699141100895]]]]}, "2020-03-30T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[98.82322330470336, 3.176776695296637], [98.96966991411009, 3.5303300858899105], [99.32322330470336, 3.676776695296637], [99.35355339059328, 3.75], [99.25, 4.0], [99.35355339059328, 4.25], [99.25, 4.5], [99.35355339059328, 4.75], [99.25, 5.0], [99.46966991411009, 5.5303300858899105], [100.0, 5.75], [100.25, 5.646446609406727], [100.5, 5.75], [101.03033008588991, 5.5303300858899105], [101.25, 5.0], [101.14644660940672, 4.75], [101.25, 4.5], [101.14644660940672, 4.25], [101.17677669529664, 4.1767766952966365], [101.25, 4.146446609406727], [101.5, 4.25], [102.03033008588991, 4.0303300858899105], [102.25, 3.5], [102.14644660940672, 3.25], [102.25, 3.0], [102.03033008588991, 2.4696699141100895], [101.67677669529664, 2.323223304703363], [101.53033008588991, 1.9696699141100895], [101.0, 1.75], [100.46966991411009, 1.9696699141100893], [100.32322330470336, 2.323223304703363], [100.25, 2.353553390593273], [100.0, 2.25], [99.75, 2.353553390593273], [99.67677669529664, 2.323223304703363], [99.53033008588991, 1.9696699141100895], [99.0, 1.75], [98.46966991411009, 1.9696699141100893], [98.25, 2.5], [98.46966991411009, 3.0303300858899105], [98.82322330470336, 3.176776695296637]]]}, "2020-03-31T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[98.82322330470336, 3.176776695296637], [98.96966991411009, 3.5303300858899105], [99.32322330470336, 3.676776695296637], [99.35355339059328, 3.75], [99.25, 4.0], [99.35355339059328, 4.25], [99.25, 4.5], [99.35355339059328, 4.75], [99.25, 5.0], [99.46966991411009, 5.5303300858899105], [100.0, 5.75], [100.25, 5.646446609406727], [100.5, 5.75], [101.03033008588991, 5.5303300858899105], [101.25, 5.0], [101.14644660940672, 4.75], [101.25, 4.5], [101.14644660940672, 4.25], [101.17677669529664, 4.1767766952966365], [101.25, 4.146446609406727], [101.5, 4.25], [102.03033008588991, 4.0303300858899105], [102.25, 3.5], [102.14644660940672, 3.25], [102.25, 3.0], [102.03033008588991, 2.4696699141100895], [101.67677669529664, 2.323223304703363], [101.53033008588991, 1.9696699141100895], [101.0, 1.75], [100.46966991411009, 1.9696699141100893], [100.32322330470336, 2.323223304703363], [100.25, 2.353553390593273], [100.0, 2.25], [99.75, 2.353553390593273], [99.67677669529664, 2.323223304703363], [99.53033008588991, 1.9696699141100895], [99.0, 1.75], [98.46966991411009, 1.9696699141100893], [98.25, 2.5], [98.46966991411009, 3.0303300858899105], [98.82322330470336, 3.176776695296637]]]}, "2020-04-01T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[99.32322330470336, 3.676776695296637], [99.35355339059328, 3.75], [99.25, 4.0], [99.35355339059328, 4.25], [99.25, 4.5], [99.35355339059328, 4.75], [99.25, 5.0], [99.46966991411009, 5.5303300858899105], [100.0, 5.75], [100.53033008588991, 5.5303300858899105], [100.67677669529664, 5.1767766952966365], [101.03033008588991, 5.0303300858899105], [101.25, 4.5], [101.14644660940672, 4.25], [101.17677669529664, 4.1767766952966365], [101.25, 4.146446609406727], [101.5, 4.25], [102.03033008588991, 4.0303300858899105], [102.25, 3.5], [102.14644660940672, 3.25], [102.25, 3.0], [102.03033008588991, 2.4696699141100895], [101.67677669529664, 2.323223304703363], [101.53033008588991, 1.9696699141100895], [101.0, 1.75], [100.46966991411009, 1.9696699141100893], [100.32322330470336, 2.323223304703363], [100.25, 2.353553390593273], [100.0, 2.25], [99.75, 2.353553390593273], [99.5, 2.25], [98.96966991411009, 2.4696699141100895], [98.75, 3.0], [98.96966991411009, 3.5303300858899105], [99.32322330470336, 3.676776695296637]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.40977353688794}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.308609580798822}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.510974527429028, 28.712283541192562, 28.048901582193196, 28.032047155249927, 28.567581853729337, 28.692930954679866]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.510974527429028, 29.648105428595784, 29.65878062579037, 29.49094280323078, 29.810902185813518, 30.216480983243116]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3656613439808325, 1.2896962930503644, 1.3485496490380768, 1.0065081475432796, 1.5507479136075484, 1.3590282557981936]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3656613439808325, 1.7982050493251336, 2.269382671795313, 1.6767128671481828, 2.0005688754641824, 2.40977353688794]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.2122487146797147, 1.8423218406630684, 1.8045148706866656, 1.5833082925783468, 2.4133990810215935, 2.0557531958315303]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2122487146797147, 2.062552538246364, 2.7434464075744582, 1.9504206711228724, 2.9249446060045208, 2.6534175250979697]}}